Which object would be considered to be in free fall?

one that experiences both friction and centripetal force

one that is truly weightless

one that is slowed down by air resistance

one with only gravity acting upon it

When two waves in the same medium hit each other, the resulting displacement of the medium is when two waves in the same medium hit each other, the resulting displacement of the medium is always larger than the displacement due to either wave acting

What are the full forms of RADAR and SONAR

The sun emits radiation in which wavelengths?

True or false Newtons's First Law states "Acceleration depends on the mass of the object and the unbalanced force applied"

What is the specific heat capacity of graphite if it requires 266 j to raise the temperature of 15 grams of graphite by 25°c?

Why do atoms move at different speeds depending on wether they are liquids or solids

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?